To date, no drug has been approved in its leaf form because plants contain a complex composition of compounds with uncertain pharmacologies, metabolisms, side-effect profiles, toxicologies, drug interactions, and no control of relative concentrations.

ECONOMIST: Egypt's challenge

Sneha Malde image The universe began with a bang and energy came together to form equal quantities of matter and antimatter, but as the universe cooled and expanded, its composition changed and antimatter disappeared, leaving matter to form everything around us.

UNESCO: 2014 UK and Ireland Fellows

Yet the painter is skillful in depicting their clothing, and three trees that form the central axis in both works have a majesty that makes you wish they were not so incidental to the composition.

WSJ: Johan Zoffany | Yale Center for British Art | On the Strenth of His Portraits | By Tom L. Freudenheim